Testing conducted by Apple in April 2015 using preproduction 2.5GHz quad-core Intel Core i7based 15-inch MacBook Pro systems with AMD Radeon R9 M370X and 2GB of graphics memory, and shipping 2.5GHz quad-core Intel Core i7based 15-inch MacBook Pro systems with NVIDIA GeForce GT 750M and 2GB of graphics memory, all configured with 16GB of RAM. Resolution used: 1440 by 900. Tomb Raider tested using the built-in benchmark, with anti-aliasing turned off and low graphics quality. Formula 1 2013 tested using the built-in benchmark, with 2x anti-aliasing and default graphics settings. Batman: Arkham City GOTY tested using the built-in benchmark, with 4x anti-aliasing and high quality setting.